Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method performed by a base station in a mobile communication system, the method comprising: transmitting a registration request message to a first entity performing control functions for mobility management of a terminal, the first entity not being an appropriate entity to serve the terminal, wherein the registration request message includes a globally unique temporary user equipment (UE) identity (GUTI) and an additional GUTI; receiving, from the first entity, a reroute non access stratum (NAS) message, wherein the reroute NAS message includes the registration request message including the GUTI and the additional GUTI, and information on a second entity performing control functions for mobility management of the terminal; and transmitting, to the second entity, the registration request message including the GUTI and the additional GUTI.
In mobile communication systems, efficient mobility management is critical for seamless terminal (UE) connectivity. A challenge arises when a base station transmits a registration request to an inappropriate control entity, leading to delays or failures in service provision. This invention addresses this issue by enabling a base station to handle registration requests more effectively. The method involves transmitting a registration request message to a first control entity, which is not the appropriate entity to serve the terminal. The message includes a globally unique temporary UE identity (GUTI) and an additional GUTI. The first entity, recognizing its inappropriateness, sends a reroute NAS message back to the base station. This message contains the original registration request, including both GUTIs, along with information about a second, more suitable control entity. The base station then forwards the registration request to the second entity, ensuring proper routing and reducing registration delays. This approach optimizes mobility management by dynamically rerouting requests to the correct control entity, improving system efficiency and reliability.
2. The method of claim 1 , further comprising receiving, from the terminal, the registration request message including the GUTI and the additional GUTI.
A system and method for managing user identity in a wireless communication network addresses the challenge of securely and efficiently handling user registration while maintaining privacy. The invention involves a network node that processes registration requests from user terminals, where each request includes a Globally Unique Temporary Identifier (GUTI) and an additional GUTI. The network node verifies the validity of the GUTI and the additional GUTI, ensuring that the user terminal is authorized to use these identifiers. If the identifiers are valid, the network node updates its records to associate the user terminal with the provided GUTIs, allowing seamless authentication and service provisioning. The additional GUTI provides redundancy and enhances security by allowing the network to cross-verify the user's identity. This method ensures that user identity management is robust, reducing the risk of unauthorized access while maintaining efficient network operations. The system is particularly useful in scenarios where multiple temporary identifiers are used to enhance privacy and security in wireless communications.
3. The method of claim 2 , wherein the registration request message transmitted from the base station to the first entity is included in an initial user equipment (UE) message.
This invention relates to wireless communication systems, specifically to methods for handling registration requests in a network. The problem addressed is improving the efficiency and reliability of registration procedures between a base station and network entities, such as a core network or a mobility management entity. The invention describes a method where a base station transmits a registration request message to a first entity, such as a core network, to initiate or update a registration process for a user equipment (UE). The registration request message is embedded within an initial UE message, which is the first communication sent by the UE to the network when it seeks to connect or re-connect. This approach streamlines the registration process by reducing the number of separate messages exchanged, thereby minimizing latency and signaling overhead. The method may also involve the base station receiving a registration response from the first entity, which confirms the successful completion of the registration. The invention ensures that the registration request is transmitted in a timely manner, leveraging the initial UE message to avoid delays and improve network performance. This technique is particularly useful in scenarios where rapid registration is critical, such as in high-mobility environments or during network handover procedures.
4. The method of claim 1 , wherein the second entity comprises a proper entity having required capabilities to serve the terminal.
A system and method for managing network entities in a communication network addresses the challenge of efficiently selecting and utilizing network entities to serve terminals, ensuring optimal performance and resource allocation. The invention involves a process where a first entity, such as a network node, identifies a second entity capable of serving a terminal. The second entity is a proper entity with the necessary capabilities to fulfill the terminal's requirements, such as processing power, bandwidth, or specific service features. The system ensures that the second entity is properly configured and operational to handle the terminal's needs, preventing service disruptions or inefficiencies. This selection process may involve evaluating multiple entities based on their capabilities, availability, and proximity to the terminal. The method ensures that the terminal is served by the most suitable entity, improving network reliability and user experience. The invention may be applied in various network architectures, including cloud-based or distributed systems, where dynamic allocation of resources is critical. By dynamically selecting and verifying the capabilities of network entities, the system optimizes resource utilization and enhances service delivery.
5. A base station in a mobile communication system, the base station comprising: a transceiver configured to transmit and receive a signal; and at least one processor coupled to the transceiver and configured to: control to the transceiver to transmit a registration request message to a first entity performing control functions for mobility management of a terminal, the first entity not being an appropriate entity to serve the terminal, wherein the registration request message includes a globally unique temporary user equipment (UE) identity (GUTI) and an additional GUTI, control to the transceiver to receive, from the first entity, a reroute non access stratum (NAS) message, wherein the reroute NAS message includes the registration request message including the GUTI and the additional GUTI, and information on a second entity performing control functions for mobility management of the terminal, and control to the transceiver to transmit, to the second entity, the registration request message including the GUTI and the additional GUTI.
In mobile communication systems, efficient mobility management is critical for seamless terminal (UE) connectivity. A challenge arises when a base station communicates with an inappropriate control entity (e.g., a mobility management entity or AMF) during registration, leading to delays or failures. This invention addresses this by enabling a base station to handle registration requests more intelligently. The base station includes a transceiver for signal transmission and reception, and a processor that manages registration procedures. When a terminal sends a registration request, the base station checks if the receiving entity (first entity) is suitable for handling the terminal's mobility management. If not, the base station forwards the registration request, which includes a globally unique temporary UE identity (GUTI) and an additional GUTI, to the first entity. The first entity responds with a reroute NAS message containing the original registration request and information about a second, more appropriate entity. The base station then transmits the registration request to the second entity, ensuring proper routing and reducing registration delays. This method improves system efficiency by dynamically rerouting requests to the correct control entity.
6. The base station of claim 5 , wherein the at least one processor is further configured to control to the transceiver to receive the registration request message from the terminal.
A base station in a wireless communication system is configured to manage terminal registration. The base station includes a transceiver and at least one processor. The transceiver communicates with terminals, while the processor controls the transceiver to receive a registration request message from a terminal. The registration request message may include identification information, such as a terminal identifier, to authenticate and register the terminal with the network. The processor may also process the registration request, validate the terminal's credentials, and establish a connection. This ensures proper network access control and service provisioning. The base station may further handle registration updates, re-authentication, or deregistration as needed. The system improves network security and efficiency by managing terminal access dynamically. The base station may operate in various wireless standards, such as 5G or LTE, and support different terminal types, including IoT devices and smartphones. The registration process ensures terminals are properly authenticated before accessing network resources, preventing unauthorized access and maintaining service quality. The base station's processor may also coordinate with other network nodes to track terminal mobility and maintain seamless connectivity. This enhances overall network reliability and user experience.
7. The base station of claim 6 , wherein the registration request message transmitted from the base station to the first entity is included in an initial user equipment (UE) message.
A base station in a wireless communication system is configured to handle registration requests for user equipment (UE) devices. The system addresses the challenge of efficiently managing UE registration in a network, particularly when the UE is initially connecting or transitioning between different network states. The base station transmits a registration request message to a first entity, such as a network core or another network node, to facilitate the registration process. This registration request message is embedded within an initial UE message, which is the first communication sent by the UE to the base station upon establishing a connection. The initial UE message may include identification information, capability details, or other relevant data needed for the registration process. By integrating the registration request into this initial message, the system reduces signaling overhead and streamlines the registration procedure, improving network efficiency and reducing latency. The base station may also process subsequent messages or commands from the first entity to complete the registration, ensuring seamless connectivity for the UE. This approach optimizes resource utilization and enhances the overall performance of the wireless communication network.
8. The base station of claim 5 , wherein the second entity comprises a proper entity having required capabilities to serve the terminal.
In wireless communication systems, efficient terminal device management is critical for maintaining service quality and network reliability. A key challenge is ensuring that terminal devices are served by base stations with the necessary capabilities to meet their communication requirements. This invention addresses this problem by providing a base station configured to manage terminal device connections based on the capabilities of available network entities. The base station includes a first entity that handles initial terminal device connections and a second entity that serves the terminal device. The second entity is a proper entity, meaning it possesses the required capabilities to effectively serve the terminal device. These capabilities may include specific radio access technologies, bandwidth support, or other technical features necessary for optimal communication. The base station dynamically assigns the second entity to the terminal device based on its capabilities, ensuring that the terminal device is served by an entity that can meet its communication needs. This approach improves network efficiency and service quality by preventing mismatches between terminal device requirements and serving entity capabilities. The system may also include mechanisms to monitor and adjust assignments as network conditions or terminal device requirements change.
9. A method performed by a first entity performing control functions for mobility management of a terminal in a mobile communication system, the method comprising: receiving, from a base station, a registration request message including a globally unique temporary user equipment (UE) identity (GUTI) and an additional GUTI; identifying whether the first entity is an appropriate entity to serve the terminal; determining to reroute the registration request message based on identifying that the first entity is not the appropriate entity; identifying a second entity performing control functions for mobility management of the terminal based on required capabilities to serve the terminal; and transmitting, to the base station, a reroute non access stratum (NAS) message, wherein the reroute NAS message includes the registration request message including the GUTI and the additional GUTI, and information on the second entity.
This invention relates to mobility management in mobile communication systems, specifically addressing the efficient handling of terminal registration requests when the receiving entity is not the appropriate one to serve the terminal. The problem arises when a terminal sends a registration request to an entity that lacks the necessary capabilities to manage its mobility, leading to inefficiencies in routing and potential service disruptions. The method involves a first entity responsible for mobility management receiving a registration request from a base station. The request includes a globally unique temporary user equipment identity (GUTI) and an additional GUTI. The first entity checks whether it is the correct entity to serve the terminal. If not, it determines to reroute the request. The first entity then identifies a second entity with the required capabilities to handle the terminal's mobility management. Finally, the first entity sends a reroute non-access stratum (NAS) message back to the base station. This message includes the original registration request with both GUTIs and information about the second entity, ensuring seamless redirection to the appropriate mobility management entity. This approach optimizes registration processes by dynamically rerouting requests to entities with the necessary capabilities, improving system efficiency and reliability.
10. The method of claim 9 , wherein the registration request message is transmitted in an initial user equipment (UE) message.
A method for transmitting a registration request message in a wireless communication system involves sending the message within an initial user equipment (UE) message. This approach is designed to streamline the registration process between a UE and a network, reducing latency and signaling overhead. The initial UE message serves as a container for the registration request, which may include identity information, capability details, or other parameters required for network access. By embedding the registration request within this initial message, the system avoids the need for separate transmissions, improving efficiency. The method is particularly useful in scenarios where rapid connection establishment is critical, such as in mobile networks where UEs frequently transition between idle and active states. The technique ensures that the network can authenticate and authorize the UE quickly, enabling seamless service continuity. This approach is compatible with various wireless standards, including 5G and beyond, where minimizing signaling overhead is a key design consideration. The method may also include additional steps, such as receiving a response from the network or updating the UE's state based on the registration outcome. Overall, the invention enhances network performance by optimizing the registration procedure.
11. A first entity performing control functions for mobility management of a terminal in a mobile communication system, the first entity comprising: a transceiver configured to transmit and receive a signal; and at least one processor coupled to the transceiver and configured to: control the transceiver to receive, from a base station, a registration request message including a globally unique temporary user equipment (UE) identity (GUTI) and an additional GUTI, identify whether the first entity is an appropriate entity to serve the terminal, determine to reroute the registration request message based on identifying that the first entity is not the appropriate entity, identify a second entity performing control functions for mobility management of the terminal based on required capabilities to serve the terminal, and control the transceiver to transmit to the base station, a reroute non access stratum (NAS) message, wherein the reroute NAS message includes the registration request message including the GUTI and the additional GUTI, and information on the second entity.
In mobile communication systems, efficient mobility management is critical for seamless terminal (UE) connectivity. A key challenge is ensuring that registration requests are routed to the correct control entity, especially when the initial entity is not the appropriate one to serve the terminal. This invention addresses this by enabling a first entity to intelligently reroute registration requests to a more suitable second entity. The first entity, responsible for mobility management, receives a registration request from a base station, which includes a globally unique temporary UE identity (GUTI) and an additional GUTI. The entity evaluates whether it is the correct entity to handle the request. If not, it determines a second entity better suited to serve the terminal based on required capabilities. The first entity then transmits a reroute NAS (non-access stratum) message to the base station, containing the original registration request (with both GUTIs) and information identifying the second entity. This ensures the request is efficiently redirected without unnecessary delays or signaling overhead, improving system efficiency and terminal mobility handling.
12. The first entity of claim 11 , wherein the registration request message is transmitted in an initial user equipment (UE) message.
A system and method for transmitting registration request messages in wireless communication networks, particularly in scenarios involving user equipment (UE) registration with a network. The invention addresses the need for efficient and reliable transmission of registration requests, especially during initial network access or re-registration procedures. The system involves a first entity, such as a network node or a UE, configured to send a registration request message within an initial UE message. This initial message is typically transmitted during the initial attachment or re-attachment of the UE to the network, ensuring timely delivery of registration information. The registration request message may include identifiers, capabilities, or other relevant data required for network authentication and service provisioning. The method optimizes signaling efficiency by embedding the registration request within the initial message, reducing latency and overhead in the registration process. The system may also include additional entities, such as a second network node, to process the registration request and facilitate seamless network access. The invention is applicable to various wireless communication standards, including 5G and beyond, where efficient registration procedures are critical for maintaining low-latency and high-reliability connections.
13. A method performed by a terminal in a mobile communication system, the method comprising: transmitting, to a base station, a registration request message including a globally unique temporary user equipment (UE) identity (GUTI) and an additional GUTI; receiving, from the base station, a radio resource control (RRC) connection reconfiguration message; and transmitting, to the base station, an RRC connection complete as a response to the RRC connection reconfiguration message, wherein the registration request message including the GUTI and the additional GUTI is forwarded by the base station to a first entity performing control functions for mobility management of the terminal, the first entity not being an appropriate entity to serve the terminal, and wherein the RRC connection reconfiguration message is based on an initial context setup request message from a second entity performing control functions for mobility management of the terminal, the second entity having required capabilities to serve the terminal.
The invention relates to mobility management in mobile communication systems, specifically addressing scenarios where a terminal (UE) registers with a base station but initially connects to an inappropriate mobility management entity. The problem occurs when a UE sends a registration request containing a Globally Unique Temporary UE Identity (GUTI) and an additional GUTI to a base station, which forwards the request to a first mobility management entity lacking the necessary capabilities to serve the UE. To resolve this, the base station receives an RRC connection reconfiguration message triggered by a second mobility management entity that has the required capabilities. The UE then transmits an RRC connection complete message in response, completing the registration process with the correct entity. This method ensures seamless handover and proper service provisioning by redirecting the UE to a suitable mobility management entity. The solution optimizes network efficiency by avoiding unnecessary signaling and ensuring the UE is served by an entity with the appropriate resources and functions.
14. The method of claim 13 , wherein the registration request message forwarded to the first entity is included in an initial user equipment (UE) message.
A method for handling registration requests in a wireless communication system involves forwarding a registration request message from a second entity to a first entity, where the first entity is a network node responsible for processing the registration. The registration request message is included in an initial user equipment (UE) message, which is transmitted during the initial attachment or reattachment of the UE to the network. The method ensures that the registration request is properly routed and processed by the appropriate network node, improving the efficiency and reliability of the registration procedure. The first entity may perform authentication, authorization, and other registration-related functions before allowing the UE to access network services. This approach streamlines the registration process by embedding the request within the initial UE message, reducing signaling overhead and latency. The method is particularly useful in scenarios where the UE needs to register with a new network or re-register after a period of inactivity, ensuring seamless connectivity and service continuity. The technique is applicable to various wireless communication standards, including 5G and beyond, where efficient registration procedures are critical for supporting a large number of connected devices.
15. A terminal in a mobile communication system, the terminal comprising: a transceiver configured to transmit and receive a signal; and at least one processor coupled to the transceiver and configured to: control the transceiver to transmit, to a base station, a registration request message including a globally unique temporary user equipment (UE) identity (GUTI) and an additional GUTI, control the transceiver to receive, from the base station, a radio resource control (RRC) connection reconfiguration message, and control the transceiver to transmit, to the base station, an RRC connection complete as a response to the RRC connection reconfiguration message, wherein the registration request message including the GUTI and the additional GUTI is forwarded by the base station to a first entity performing control functions for mobility management of the terminal, the first entity not being an appropriate entity to serve the terminal, and wherein the RRC connection reconfiguration message is based on an initial context setup request message from a second entity performing control functions for mobility management of the terminal, the second entity having required capabilities to serve the terminal.
In mobile communication systems, terminals (user equipment, UE) must register with the network to establish connectivity. During registration, the UE may initially contact a base station, which forwards the registration request to a mobility management entity. However, the initial entity may lack the necessary capabilities to serve the UE, requiring a handover to a more suitable entity. This process can introduce delays and inefficiencies. The invention addresses this issue by enhancing the UE to include both a primary and an additional globally unique temporary UE identity (GUTI) in its registration request. The base station forwards this request to a first mobility management entity, which recognizes it is not the appropriate entity to serve the UE. The first entity then triggers an initial context setup request to a second, more capable mobility management entity. The base station receives an RRC connection reconfiguration message from the second entity and forwards it to the UE. The UE responds with an RRC connection complete message, completing the registration process. This approach ensures seamless handover to the correct entity without additional signaling overhead, improving registration efficiency and reducing latency.
16. The terminal of claim 15 , wherein the registration request message forwarded to the first entity is included in an initial user equipment (UE) message.
This invention relates to wireless communication systems, specifically improving the registration process for user equipment (UE) in a network. The problem addressed is the inefficiency in current registration procedures, particularly when a UE needs to communicate with multiple network entities during the registration process. The invention provides a solution by optimizing the forwarding of registration request messages to reduce latency and signaling overhead. The UE generates a registration request message and sends it to a first entity, such as an access network or a core network component. The registration request message is included within an initial UE message, which may also contain additional information required for the registration process. The first entity receives the initial UE message, extracts the registration request, and forwards it to the appropriate network entity for processing. This approach streamlines the registration procedure by consolidating the request within a single message, reducing the number of separate transmissions and improving overall efficiency. The invention may also involve additional steps, such as the first entity authenticating the UE or verifying the registration request before forwarding it. The system ensures that the registration process is secure and reliable while minimizing unnecessary signaling. By integrating the registration request into the initial UE message, the invention enhances the speed and efficiency of network registration, particularly in scenarios where multiple network entities are involved. This solution is applicable to various wireless communication standards, including 5G and beyond.
Unknown
December 29, 2020
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